Home / 17,905.05-26,858.79-4,757.13

Finding the Fourth Proportional to 17,905.05, 26,858.79 and 4,757.13

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Solution

The fourth proportional to 17,905.05, 26,858.79 and 4,757.13 is: 7,136.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.05 : 26,858.79 = 4,757.13 : x
  2. Step 2: Convert to fraction form
    17,905.05/26,858.79 = 4,757.13/x
  3. Step 3: Cross multiply
    17,905.05x = 26,858.79 × 4,757.13
  4. Step 4: Simplify right side
    17,905.05x = 127,770,755.67
  5. Step 5: Solve for x
    x = 127,770,755.67/17,905.05
  6. Step 6: Final answer
    x = 7,136.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.